Question: What is the hardest steel used in agribusiness ?
Paraphrase: What type of steel used in agribusiness is the hardest?
SPARQL (Wikidata): select ?ent where { ?ent wdt:P31 wd:Q11427 . ?ent wdt:P5483 ?obj . ?ent wdt:P366 wd:Q396622. } ORDER BY ASC(?obj)LIMIT 5